Hamakor – An Israeli Society for Free Software and Open-Source Code (Registered Non Profit) aims to be a legal entity that acts as a umbrella organization and clearinghouse for different informal bodies and persons who pursue the advancement of free and open source software, in their various definitions, in Israel.

Since the society's founding, its members have appeared as semi-formal representatives of the free and open source software movement in Israel in various events and discussions. The society organizes the annual community conference called "August Penguin", as well as multiple technical conferences such as PyCon IL.